The JIC17K2T18K2SFSM0 from JQL Electronics is a RF & Microwave Isolator with Frequency 17.2 to 18.2 GHz, Average Power Forward 1 W, Average Power Reverse 1 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC17K2T18K2SFSM0 can be seen below.